Fatal error: Uncaught Error: Call to undefined function mysqli_connect() in /var/www/html/lib/database/MySQL.php:1082 Stack trace: #0 /var/www/html/lib/database/MySQL.php(68): MySQL->Open() #1 /var/www/html/pages/index.php(18): MySQL->__construct() #2 /var/www/html/router.php(91): include('/var/www/html/p...') #3 {main} thrown in /var/www/html/lib/database/MySQL.php on line 1082